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// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
// * with the License.  You may obtain a copy of the License at                                                              *
// *                                                                                                                         *
// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
// *                                                                                                                         *
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// ***************************************************************************************************************************
package org.apache.juneau.rest.test;

import static org.apache.juneau.http.HttpMethodName.*;

import java.io.*;

import org.apache.juneau.*;
import org.apache.juneau.parser.*;
import org.apache.juneau.plaintext.*;
import org.apache.juneau.rest.*;
import org.apache.juneau.rest.annotation.*;
import org.apache.juneau.serializer.*;

/**
 * JUnit automated testcase resource.
 */
@RestResource(
	path="/testAcceptCharset",
	serializers={PlainTextSerializer.class},
	// Some versions of Jetty default to ISO8601, so specify UTF-8 for test consistency.
	defaultCharset="utf-8"
)
public class AcceptCharsetResource extends RestServlet {
	private static final long serialVersionUID = 1L;

	//====================================================================================================
	// Test that Q-values are being resolved correctly.
	//====================================================================================================
	@RestMethod(name=GET, path="/testQValues")
	public String testQValues() {
		return "foo";
	}

	//====================================================================================================
	// Validate various Accept-Charset variations.
	//====================================================================================================
	@RestMethod(name=PUT, path="/testCharsetOnResponse", parsers=TestParser.class, serializers=TestSerializer.class)
	public String testCharsetOnResponse(@Body String in) {
		return in;
	}

	public static class TestParser extends InputStreamParser {

		public TestParser(PropertyStore ps) {
			super(ps, "text/plain");
		}

		@Override /* Parser */
		public InputStreamParserSession createSession(ParserSessionArgs args) {
			return new InputStreamParserSession(args) {

				@Override /* ParserSession */
				@SuppressWarnings("unchecked")
				protected <T> T doParse(ParserPipe pipe, ClassMeta<T> type) throws Exception {
					return (T)getProperty("characterEncoding", String.class);
				}
			};
		}
	}

	public static class TestSerializer extends OutputStreamSerializer {

		public TestSerializer(PropertyStore ps) {
			super(ps, "text/plain");
		}

		@Override /* Serializer */
		public OutputStreamSerializerSession createSession(SerializerSessionArgs args) {
			return new OutputStreamSerializerSession(args) {

				@Override /* SerializerSession */
				protected void doSerialize(SerializerPipe out, Object o) throws Exception {
					try (Writer w = new OutputStreamWriter(out.getOutputStream())) {
						w.append(o.toString()).append('/').append(getProperty("characterEncoding", String.class));
					}
				}
			};
		}
	}
}
